.video-js .vjs-big-play-button{
    width:60px;
    height:60px;
    line-height:normal;
    position:absolute;
    top:50%; left:50%;
    border:4px solid #fff;
    border-radius:50%;
    margin-left:-30px;
    margin-top:-30px;
    background-color:#000;
    opacity:.7;
    filter:alpha(opacity=70);
    color:#fff;
}
/* 中间的播放箭头 */
.video-js .vjs-big-play-button .vjs-icon-placeholder {
    font-size: 52px;
}
.vjs-big-play-button .vjs-icon-placeholder:before{
    font-size: 30px;
    margin: 11px auto;
}
.vjs-has-started .vjs-big-play-button {
    /*display: block!important;*/
}
.vjs-playing .vjs-big-play-button {
    display: none;
}
.vjs-paused .vjs-big-play-button {
    display: block;
}
.vjs-ended .vjs-big-play-button {}